A ‘Cure for Heart Disease’? A Single Shot Succeeds in Monkeys

upstart writes in with an IRC submission for RandomFactor:

A Cure for Heart Disease'? A Single Shot Succeeds in Monkeys:

In the first gene-editing experiment of its kind, scientists have disabled two genes in monkeys that raise the risk for heart disease. Humans carry the genes as well, and the experiment has raised hopes that a leading killer may one day be tamed.

This could be the cure for heart disease," said Dr. Michael Davidson, director of the Lipid Clinic at the University of Chicago Pritzker School of Medicine, who was not involved in the research.

But it will be years before human trials can begin, and gene-editing technology so far has a mixed tracked record. It is much too early to know whether the strategy will be safe and effective in humans; even the monkeys must be monitored for side effects or other treatment failures for some time to come.

The results were presented on Saturday at the annual meeting of the International Society for Stem Cell Research, this year held virtually with about 3,700 attendees around the world. The scientists are writing up their findings, which have not yet been peer-reviewed or published.

The researchers set out to block two genes: PCSK9, which helps regulate levels of LDL cholesterol; and ANGPTL3, part of the system regulating triglyceride, a type of blood fat. Both genes are active in the liver, which is where cholesterol and triglycerides are produced. People who inherit mutations that destroyed the genes' function do not get heart disease.

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